Userbenchmark.com has an easy-to-use benchmarking tool that can establish whether your PC is actually running slow and why. It may be that you have an outdated PC struggling to cope with modern apps or perhaps performance is hindered on an otherwise decent PC. Userbenchmark can help identify which is the most likely problem.
In order to test the speed of your processor, hard drive, graphics card, SSD and USB flash drive. Simply download the free Userbenchmark tool.